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Operating Systems Interview Question Answers

IT Interview Technical Questions and Answers
Friends here we are providing you with the detailed information about the Technical Questions that can be asked to you whenever you go for a Job Interview in the Information and Technology Sector. We are covering Following Topics:
  • UNIX Questions
  • C Language, 
  • .Net Questions, 
  • C++ Language, 
  • DBMS Questions, 
  • Data Structures,
  • Networking, 
  • HR Questions, 
  • Operating Systems etc.
In this page we are providing you with a list of Operating Systems related Questions List that can be asked to you in a job interview

  • Operating Systems Interview Question Answers
  • What do you mean by an operating system?
  • Define various elements of computers?
  • What do you mean by purpose of different operating systems?
  • What are the different operating systems?
  • What are operating system services?
  • What do you mean by BIOS?
  • Explain the concept of the batched operating systems?
  • Explain the concept of the multi-programmed operating systems?
  • Explain the concept of the time-sharing operating systems?
  • Explain the concept of the multi-processor systems or parallel systems?
  • Explain the concept of the Distributed systems?
  • Explain the concept of Real-time operating systems?
  • Define MULTICS?
  • What do you mean by SCSI?
  • What do you mean by a sector?
  • What do you mean by cache-coherency?
  • What are residence monitors?
  • What do you mean by dual-mode operation?
  • What are the operating system components?
  • What are operating system services?
  • What are system calls?
  • What do you mean by a layered approach and what do you mean by its advantage?
  • What do you mean by micro kernel approach and site its advantages?
  • Benefits of virtual machines?
  • What do you mean by a process?
  • What are the states of a process?
  • What are various scheduling queues?
  • What do you mean by a job queue?
  • What do you mean by a ready queue?
  • What do you mean by a device queue?
  • What do you mean by a long term scheduler & short term schedulers?
  • What do you mean by context switching?
  • What are the disadvantages of context switching?
  •  What are co-operating processes?
  • What are types of threads?
  • Which category the java thread do fall in?
  • What are multithreading models?
  • What do you mean by a P-thread?
  • What are java threads?
  • What do you mean by process synchronization?
  • What do you mean by critical section problem?
  • What do you mean by a semaphore?
  • What do you mean by bounded-buffer problem?
  • What do you mean by readers-writers problem?
  • What do you mean by dining philosophers’ problem?
  • What do you mean by a deadlock?
  • What are necessary conditions for dead lock?
  • What do you mean by resource allocation graph?
  • What are deadlock prevention techniques?
  • What do you mean by a safe state and a safe sequence?
  • What are the deadlock avoidance algorithms?
  • What are the basic functions of an operating system?
  • Explain briefly about, processor, assembler, compiler, loader, linker and the functions executed by them.
  • What do you mean by a Real-Time System?
  • What do you mean by the difference between Hard and Soft real-time systems?
  • What do you mean by virtual memory?
  • What do you mean by cache memory?
  • Differentiate between Complier and Interpreter?
  • What are different tasks of Lexical Analysis?
  • Why paging is used?
  • What do you mean by Context Switch?
  • Distributed Systems?
  • Difference between Primary storage and secondary storage?
  • What do you mean by CPU Scheduler?
  • What do you mean by deadlock?
  • What do you mean by Dispatcher?
  • What do you mean by Throughput, Turnaround time, waiting time and Response time?
  • Explain the difference between microkernel and macro kernel?
  • What do you mean by multi-tasking, multi programming, multi-threading?
  • Give a non-computer example of preemptive and non-preemptive scheduling?
  • Different types of Real-Time Scheduling?
  • What are the Methods for Handling Deadlocks?
  • What do you mean by a Safe State and its’ use in deadlock avoidance?
  • Recovery from Deadlock?
  • Difference between Logical and Physical Address Space?
  • Binding of Instructions and Data to Memory?
  • What do you mean by Memory-Management Unit (MMU)?
  •  What are Dynamic Loading, Dynamic Linking and Overlays?
  • What do you mean by fragmentation? Different types of fragmentation?
  • Define Demand Paging, Page fault interrupt, and Trashing?
  • Explain Segmentation with paging?
  • Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs?
  • What do you mean by the cause of thrashing? How does the system detect thrashing? Once it detects thrashing, what can the system do to eliminate this problem?
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